Base | Representation |
---|---|
bin | 1011100101001… |
… | …10110001111001 |
3 | 20202210211122201 |
4 | 11302212301321 |
5 | 144332331441 |
6 | 13350150201 |
7 | 2256531223 |
oct | 562466171 |
9 | 222724581 |
10 | 97152121 |
11 | 4a926910 |
12 | 28652361 |
13 | 17187481 |
14 | cc8d413 |
15 | 87e0c31 |
hex | 5ca6c79 |
97152121 has 8 divisors (see below), whose sum is σ = 108849024. Its totient is φ = 85932720.
The previous prime is 97152103. The next prime is 97152131. The reversal of 97152121 is 12125179.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 97152121 - 27 = 97151993 is a prime.
It is a super-2 number, since 2×971521212 = 18877069229597282, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 97152121.
It is not an unprimeable number, because it can be changed into a prime (97152101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118945 + ... + 119758.
It is an arithmetic number, because the mean of its divisors is an integer number (13606128).
Almost surely, 297152121 is an apocalyptic number.
It is an amenable number.
97152121 is a deficient number, since it is larger than the sum of its proper divisors (11696903).
97152121 is a wasteful number, since it uses less digits than its factorization.
97152121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238751.
The product of its digits is 1260, while the sum is 28.
The square root of 97152121 is about 9856.5775500424. The cubic root of 97152121 is about 459.7101529438.
The spelling of 97152121 in words is "ninety-seven million, one hundred fifty-two thousand, one hundred twenty-one".
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